2011210122701 has 4 divisors (see below), whose sum is σ = 2165918593692. Its totient is φ = 1856501651712.

The previous prime is 2011210122679. The next prime is 2011210122721. The reversal of 2011210122701 is 1072210121102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 283231518025 + 1727978604676 = 532195^2 + 1314526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011210122701 - 2²⁶ = 2011143013837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210122721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77354235476 + ... + 77354235501.

It is an arithmetic number, because the mean of its divisors is an integer number (541479648423).

Almost surely, 2^{2011210122701} is an apocalyptic number.

It is an amenable number.

2011210122701 is a deficient number, since it is larger than the sum of its proper divisors (154708470991).

2011210122701 is a wasteful number, since it uses less digits than its factorization.

2011210122701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154708470990.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 2011210122701 its reverse (1072210121102), we get a palindrome (3083420243803).

The spelling of 2011210122701 in words is "two trillion, eleven billion, two hundred ten million, one hundred twenty-two thousand, seven hundred one".